function Bird() { let hatchedEgg = 10; // private variable this.getHatchedEggCount = function() { return hatchedEgg; }; } let ducky = new Bird(); ducky.hatchedEgg = 5; console.log(ducky.hatchedEgg); I can change it from the outside. How can it become private? Can anyone explain this?

you have added a new property to the object, try with this console.log(ducky.hatchedEgg); ducky.hatchedEgg = 5; console.log(ducky.hatchedEgg); and you will find it doesn’t have a value before you give it one try also console.log(ducky.getHatchedEggCount()) and you will see it still returns 10

Object Oriented Programming: Use Closure to Protect Properties Within an Object from Being Modified Externally

JavaScript

ILM Split this topic March 22, 2021, 4:40pm 3

A post was split to a new topic: Object properties

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Object Oriented Programming: Use Closure to Protect Properties Within an Object from Being Modified Externally

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